| Name | Steam ID | Records | WRs |
|---|---|---|---|
| Orciva | 76561197978738919 | 2 | 0 |
| ordeille⚸ ♘ | 76561197985689288 | 20 | 0 |
| Order 66 | 76561198159594363 | 1 | 0 |
| OrDox | 76561197974204454 | 1 | 0 |
| Oreki | 76561198085182053 | 1 | 0 |
| Oreo! | 76561197973015103 | 2 | 0 |
| orf | 76561197961215772 | 1 | 0 |
| örfstilflet | 76561198089406957 | 1 | 0 |
| organic ²·º | 76561198037773830 | 9 | 0 |
| ori0n λ | 76561198799873638 | 3 | 0 |
| oriano | 76561198099916327 | 2 | 0 |
| Origin | 76561198966814346 | 62 | 0 |
| orInge | 76561198065325826 | 1 | 0 |
| orion | 76561198120301921 | 21 | 0 |
| Orion | 76561198262276972 | 1 | 0 |
| Orion | 76561198013059692 | 14 | 0 |
| Orion | 76561198007355142 | 1 | 0 |
| Orion | 76561198044033430 | 1 | 0 |
| Orion | 76561198037163204 | 29 | 0 |
| orion289 | 76561198798452173 | 3 | 0 |
| Orizatriznyak | 76561198155414489 | 1 | 0 |
| OrjaN =D | 76561198063817120 | 1 | 0 |
| Orkis | 76561198000394295 | 2 | 0 |
| Orkopaede | 76561198006707731 | 1 | 0 |
| O Rly? | 76561197985472919 | 2 | 0 |
| OrmX | 76561197984458591 | 12 | 0 |
| OrnamentalCrime | 76561199031770223 | 3 | 0 |
| o_rNGe | 76561198064555413 | 2 | 0 |
| OROAPOSTROPHEUNDERSCORE | 76561198069134320 | 250 | 0 |
| orourkelp123 | 76561199097397066 | 6 | 0 |
| ORRMANAFTERALL | 76561197960393987 | 6 | 0 |
| oRRus | 76561198029188320 | 1 | 0 |
| ortac | 76561198144940773 | 14 | 0 |
| Ortju | 76561198271383351 | 1 | 0 |
| OS | 76561197971767969 | 1 | 0 |
| OS | 76561197961421225 | 1 | 0 |
| OSANNnn | 76561197972611223 | 2 | 0 |
| oscar | 76561197999595616 | 1 | 0 |
| oscar.fuentealba | 76561198084305975 | 1 | 0 |
| Oscarmen | 76561198136935047 | 1 | 0 |
| OSCB | 76561198080691344 | 1 | 0 |
| Oscillating Bitches | 76561198031664584 | 5 | 0 |
| OshenMan | 76561198269114679 | 1 | 0 |
| oshhh | 76561198215797971 | 1 | 0 |
| osiemsiedem | 76561198141190444 | 11 | 0 |
| Osiris | 76561198160970377 | 2 | 0 |
| OSIRIS | 76561198362521030 | 1 | 0 |
| Osk | 76561198089023546 | 1 | 0 |
| oske | trade.tf TRADEIT.GG | 76561198097909972 | 1 | 0 |
| oskid | 76561198061371412 | 2 | 0 |